BPI Sports CEO Chris Mackenzie explains what "muscle pumps" are from a scientific standpoint and from a bodybuilder's point of view. He explains how an increase in blood flow during training can help with lean muscle building, endurance, and recovery.
You hear about amino acids and BCAAs all of the time but do you really know what they do and how they help your performance in the gym? BPI Sports CEO Chris Mackenzie gives you the simple breakdown on branched-chain amino acids and explains why aminos should be taken by all athletes.
Our CEO Chris Mackenzie isn't ready to lose all of his hard-earned muscle and definition just yet! Chris explains the supplements he uses to stay fit and young.
